Window regulator



Jan. 15, 1929. 4

s. w. NICHOLSON WINDOW REGULATOR Filed March 1926 2 Sheets-Sheet 1 5] woe "lot StazZga liar/1028M Jan. 15, 1929.

S. W. NICHOLSON WINDOW REGULATOR 2 Sheets-Sheet 2 Filed March 8, 1926 Patented Jan 15, 1929.

STANLEY W.

TATES PATENT OFFICE.

NICHOLSON, OF TOLEDO, 0111 THE DURA COMPANY, OF TOLEDO,

0, ASSIGNOR, I BY MESNE ASSIGNMENTS, IO

OHIO, A CORPORATION OF OHIO.

WINDOW REGULATOR.

Application filed March 8, 1926. Serial No. 93,250.

The invention relates to window regulators and refers more particularly to the assembly including the crank ble drive mechanism. v

and irreversiof the ob ects of the invention is to provide a permanently inclosed assembly of the pa irreversible drive mechanism.

rts forming the Another ob ject is to provide an improved assembly of crank and drive shaft. A :turther object is to make use of the escutcheon to support one end of the drive shaft.

With these as well as other objects in view the invention resides in the novel features of construction and combinations and arrangements of parts as more tully hereinafter set forth.

In the draw1ngsz- Figure 1 is an lnterior side' elevation,

partly broken away, of a vehicle door having applied bodying my invention;

Figure 2 is an enlarge through thereto a window regulator emd cross section the assembly, including crank and irreversible drive mechanism;

Figures 3, 4t and 5 spect-ively, on the lines 3-4),

of Figure 2;

Figure 6 is a view ure 2 and howing a Figure 7 is a cross section of Figure 6; Figure 8 is an elevation Figure 6.

are cross sections, re-

l-4 and 5 5 corresponding to Figmodificatlon;

on theline 7-? of a portion of As shown in the present instance, the window regulator embodying adapted slidable inthe frame 52 from a position closing upper portion oi this out the chamber in the lower portion.

as shown, has the pivotal lifter regulator, arm 3, which is connected at to raise and lower my invention is the window 1 a vehicle door opening in the door and into the The window its outer end to the window and pivotally mounted upon the outer frame at its inner end. 4 is a rack pivotally connected at its lower endto the litter arm fiend meshing with the pinion 5 which is driven through suit drive mechanism.

able irreversible The pinion, crank and irreversible drive mechanism are mounted as a unit upon the lock board 7 of the door, the pinion being located at the outer side of the lock board and the crank at the inner side. The pinion is secured to the cup-shaped driven member 7 of the irreversible drive mechanism and the crank is secured to the drive shaft 8 forming the driving member of the irrever sible drive mechanism. This drive shaft is in the nature of a flat bar and may be mill stock. 9 is the sleeve extending through the lock board and having bearing faces for the opposite ends of the driven member 7' and providing a chamber surrounding the driven member for receiving the coil spring 10. The driven member is provided with the longitudinally extending slot 11 formed between the inwardly depressed circumferentially spaced tongues 12 and the spring has inturned ends 13 extending into this slot. The drive shaft 8 also extends through the slot between the inturned ends of the spring and has secured to its outer end the flanged washer 1 1 which is journaled within the driven member cured to the lock board by suitable means including the spring washer 15 and the nut 16 threaded upon the outerend of the sleeve and the radially outwardly extending flange 17 at the inner end of the sleeve. With the arrangement as thus far described, the driveshaft 8 is adapted to contact with one of the inturned ends of the spring to contract this spring and to drive through this inturned end the driven member 7 of the irreversible drive mechanism, thereby rotating the pinion However, with power removed from the drive shaft and power zip plied to the pinion to rotate the same, this pinion, through the driven member 7, coming into contact with one of the inturned ends of the spring will expand the latter to firmly. frictionally engage thereby preventrotation of the pinion.

For the purpose of supporting the inner end of the drive shaft 8, I make use of the escutcheon 1.8 which, as shown, has its outer the sleeve 9 and end extending around the free outer edge of the radial flange 17 of the sleeve and permanently secured thereto as by solder. This escutcheon has its inner end extending around the outer cylindrical edge of the washer 19, which is rigidly secured to the drive shaft. The washer 19 is then rotatably mounted upon the escutcheon and consequently the inner end of the drive shaft is rotatably supported. by the escutcheon. Furthermore, this escutcheon additionally serves with the sleeve 9 to permanently in close the irreversible drive mechanism.

To secure the drive shaft to the crank, I have formed upon the inner end of the drive, shaft and integral therewith the transverse arm 20 and have formed in the arm 21 of; the crank the longitudinally extending slot 22 of a size to receive this transverse arm. The crank arm and the transverse arm of the drive shaft are secured to each other by means of the pin 23 which extends transversely through these two arms and is lo cated in the inner side portion 24; of the crank arm which is of greater width than the outer side portion.

The modification shown in Figures 6, 7 and 8 has the same general arrangement of parts; with the exception that the drive shaft 25 is formed of round stock and has the swaged tongue 26 which extends outwardly through the longitudinally extending slot 27 formed in the cup-shaped driven member 28 of the irreversible drive mechanism. Also in this modification the sleeve 30, which extends through and is rigidly secured to the lock board 31, has at its outer end the inturned radial flange 32 forming a bearing for the reduced outer end 33 of the driven member. 34 is the pinion formed integral with the driven member and located within and housed by the sleeve, which lat ter is provided with the peripheral slot 85 registering with the pinion and providing for the passage of the rack to mesh with the pinion.

From the above description it will be seen that I have provided a permanently inclosed assembly of irreversible drive mechanism;

that I make use of the escutcheon to support the inner end of the drive shaft; and that I have provided an improved means for securing the drive shaft'to the crank.

What I claim as my invention is:

1. The combination with a sleeve, of a tubular member within said sleeve provided with a longitudinally extending slot, a member secured to and driven from said tubular member, a crank and a flat bar connected to said crank and extending within and rotatably engaging said tubular member, said bar having a portion extending within the slot of said tubular member and a coil spring surrounding said tubular member and arranged within said sleeve, said spring having inturncd ends extending into the slot of said tubular member and on opposite sides of said flat bar.

2. The combination with a support of a rotatable drive shaft, a crank connected to said shaft and an escutcheon secured to said support and rotatably ipporting said shaft at a point adjacent to said crank.

3. The combination withirreversible drive mechanism including a drive shaft, a driven member, a coiled member surrounding said driven member and having inturned ends engageable with said driven member and shaft and a sleeve surrounding said coiled member, of an escutcheon rigidly secured to said sleeve and forming a support beyond said sleeve for said shaft.

4. The combination with a sleeve, of a driven member within said sleeve having a tubular portion provided with a longitudinally extending slot, a crank and a drive shaft connected to said crank and extending within and rotatably engaging said tubular portion, said crank having a swaged projcction extending within the slot of said tubular portion and a coil spring surrounding said driven member and arranged within said sleeve, said spring having inturned ends extending into the slot of said tubular portion and. on opposite sides of said projection.

5. The combination with a drive shaft and a driven member, of an irreversible drive mechanism between said shaft and member, and means for permanently housing said mechanism comprising a sleeve surrounding said mechanism and having a reduced end port-ion. forming a bearing for said driven member, and an escutcheon secured to said sleeve and formin a support for said drive shaft.

6. The combination with a support having an opening therein, of a drive shaft and a driven member, a sleeve in said opening surrounding said shaft and driven member and having a reduced end portion forming a bearing for said driven member, a radial flange extending from the other end of said sleeve, a washer on the reduced end aortion of said sleeve, and means carried lay the reduced end of said sleeve for forcing said flange and washer int-o clamping engagement with the opposite wallsof said support for rigidly securing the sleeve in said opening.

7. The combination with a sleeve, of a driven member within said sleeve, a drive shaft comprising a flat bar extending within and rotatably engaging said driven member, a coil member surrounding said driven 1ne1nher and having inturned ends engageable with said driven member and bar, a transverse arm extending from the outer end of said bar, a crank for driving said bar having an arm provided with a slot for receiving said transverse arm, and means extending through said arms for securing the same to each other.

8. The combination with a drive shaft and a driven member, of an irreversible drive mechanism between said shaft and member, and means for permanently housing said mechanism comprising a sleeve surrounding said mechanism and having a reduced end portion forming a bearing for said driven member, an escutcheon secured to said sleeve and having its outer end provided with an open return bent portion, and a cup-shaped washer secured to said drive shaft and having its rim rotatably engaging the return bent portion of said escutcheon.

In testimony whereof I afliX my signature.

STANLEY W. NICHOLSON. 

